EOD Mets
Notes
**Note 1:** Use code 70 when the only information is
- Distant lymph nodes are involved, but not stated as single or multiple lymph node chains
- Distant metastasis is present, but not stated as single or multiple organ involvement
**Note 2:** Peritoneal involvement, WITH or WITHOUT any other involvement, is code 50.
**Note 3:** Distant lymph node(s) for Colon, Rectum and Rectosigmoid include
**Colon**
- Iliac (common, external, hypogastric, internal, obturator, NOS)
- Inferior mesenteric (cecum, ascending colon, hepatic flexure, transverse colon)
- Para-aortic
- Retroperitoneal
- Superior mesenteric
**Rectosigmoid**
- Hemorrhoidal, inferior (rectosigmoid)
- Iliac (common, external, hypogastric, internal, obturator)
- Rectal, inferior
- Superior mesenteric
**Rectum**
- Colic (left) (rectum)
- Iliac (common, external, NOS)
- Superior mesenteric
| Code |
Description |
SS2018 M |
| 00 |
No distant metastasis
Unknown if distant metastasis |
NONE |
| 10 |
SINGLE distant lymph node chain |
D |
| 20 |
SINGLE distant organ (except peritoneum) |
D |
| 30 |
Single distant lymph node chain
WITH single distant organ (except peritoneum)
Metastasis to MULTIPLE distant lymph node chains
WITH or WITHOUT single distant organ (except peritoneum) |
D |
| 40 |
MULTIPLE distant organs (except peritoneum)
WITH or WITHOUT distant lymph node(s) |
D |
| 50 |
Peritoneal surface metastasis (peritoneum)
WITH or WITHOUT distant lymph node(s) or distant organ(s)
Carcinomatosis |
D |
| 70 |
Distant lymph node(s), NOS
- Not specified as single or multiple chains
Distant metastasis, NOS
- Not specified as single or multiple organs |
D |
| 99 |
Death Certificate Only |
U |
(1) Fritz AG, Ries LAG (eds). **SEER Extent of Disease 1988: Codes and Coding Instructions (3rd Edition, 1998)**, National Cancer Institute, NIH Pub. No. 98-2313, Bethesda, MD, 1998
(2) Young JL Jr, Roffers SD, Ries LAG, Fritz AG, Hurlbut AA (eds.). **SEER Summary Staging Manual-2000: Codes and Coding Instructions**, National Cancer Institute, NIH Pub. No. 01-4969, Bethesda, MD, 2001.
(3) Collaborative Stage Work Group of the American Joint Committee on Cancer. **Collaborative Stage Data Collection System User Documentation and Coding Instructions, version 02.05**. American Joint Committee on Cancer (Chicago, IL)
(4) Gress, D.M., Edge, S.B., Gershenwald, J.E., et al. **Principles of Cancer Staging**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017
(5) Jessup, J.M., Goldberg, R.M., et al. **Colon and Rectum**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017
